Understanding American government / 
Susan Welch ... [et al.] 
 - 14th ed. 
 - Boston, MA :  Wadsworth/Cengage Learning,  2014. 
 - xxiv, 599 p. :  ill. (some col.) ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781133955740 (Student ed.: pbk.)  RM 585.25 1133955746 (Student ed.: pbk.) 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Politics and government--Textbooks.